Examlex
Which Excel function would be least useful to calculate the quartiles for a column of data?
Variable
A variable is an attribute that can take on various values among different individuals or across different times or places.
Confidence Level
The probability that a parameter will fall between two values for a specified proportion of times.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the true population parameter with a specified level of confidence.
Precision
The consistency of outcomes given by multiple measurements in the same conditions without any variation.
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